<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    .content {
      width: 100vw;
      height: 100vh;
      background: url(../src/assets/images/bg.png) no-repeat;
      background-size: cover;
    }

    .box {
      position: fixed;
      width: 1920px;
      height: 1080px;
      background: red;
      transform-origin: left top;
      left: 50%;
      top: 50%;
    }

    .top {
      width: 100px;
      height: 100px;
      background: hotpink;
      margin-left: 50px;
    }

    .bottom {
      width: 100px;
      height: 100px;
      background: white;
      margin-left: 50px;
    }
  </style>
  <body>
    <div class="content">
      <!-- 数据展示区域 -->
      <div class="box">
        <div class="top">我是邾国人</div>
        <div class="bottom">哈哈哈花花</div>
      </div>
    </div>
  </body>
</html>

<script>
  //控制数据大屏放大与缩小
  let box = document.querySelector('.box')

  box.style.transform = `scale(${getScale()}) translate(-50%,-50%)`

  //计算缩放的比例
  function getScale(w = 1920, h = 1080) {
    const ww = window.innerWidth / w
    const wh = window.innerHeight / h
    return ww < wh ? ww : wh
  }

  window.onresize = () => {
    box.style.transform = `scale(${getScale()}) translate(-50%,-50%)`
  }
</script>
